περιθρύβω
From LSJ
ταῦτα δηλώσω αὐτός τε νοσήσας καὶ αὐτὸς ἰδὼν ἄλλους πάσχοντας → I shall describe those symptoms, since I myself had the disease and witnessed as well what others were suffering
English (LSJ)
v. περιθρύπτω.
Russian (Dvoretsky)
περιθρύβω: v. l. περι-θρύπτω растирать вокруг, pass. распадаться, рассыпаться Diod.